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How do you make the numbers 0-20 with four 2s only?
(2+2)/(2+2)=1 (2/2)+(2/2)=2 (2*2)-(2/2)=3 (2+2+2)-2=4 (2+2)+(2/2)=5 (2*2*2)-2=6 ((2-.2)/.2)+2=7 2+2+2+2=8 (22/2)+2=9 ((2+2)*2)+2=10 ((2-.2)/.2)+2=11 (2+2+2)*2+=12 (22/2)+2=13 (2/.2)+(2+2)=14 2+(2/2)/.2=15 (2+2)*(2+2)=16 ...??????????=17 ((2+2)/.2)-2=18 ((2+2)-.2)/.2=19 22- √(2+2)=20
2 to the power of 30?
230.2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2 = 1073741824
What is 2 to the 18th power?
2^18 = 262,144(2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2)
What is the factor tree for 256?
256 2, 128 2, 2, 64 2, 2, 2, 32 2, 2, 2, 2, 16 2, 2, 2, 2, 2, 8 2, 2, 2, 2, 2, 2, 4 2, 2, 2, 2, 2, 2, 2, 2
What is 2 plus 2 plus 2 plus 2 plus 2 plus 2 plus 2 plus 2 plus 2 plus 2 plus 2 plus 2 plus 2x0?
2+2+2+2+2+2+2+2+2+2+2+2+(2x0) =2+2+2+2+2+2+2+2+2+2+2+2+0 =24
